package Top200;

import java.util.HashMap;

/**
 * @author zhangmin
 * @create 2022-02-17 10:13
 * 1、map记录
 */
public class twoSum01 {
    public int[] twoSum(int[] nums, int target) {
        HashMap<Integer,Integer> map=new HashMap<>();
        for (int i = 0; i < nums.length; i++) {
            if (map.containsKey(target-nums[i])){
                return new int[]{i,map.get(target-nums[i])};
            }else {
                map.put(nums[i],i);
            }
        }
        return new int[]{-1,-1};
    }
}
